| Word | Definitions | Synonyms |
|---|---|---|
| ochre | (noun) a moderate yellow-orange to orange color | Synonyms: ocher |
| (noun) any of various earths containing silica and alumina and ferric oxide; used as a pigment | Synonyms: ocher | |
| ochronosis | (noun) an accumulation of dark pigment in cartilage and other connective tissue; usually a symptom of alkaptonuria or phenol poisoning | - |